১৫ জন লোকের বয়সের গড় ২৯ বৎসর। তাদের মধ্যে আবার দুজনের গড় ৫৫ বৎসর। তাহলে বাকি ১৩ জনের বয়সের গড় কত হবে?

Created: 2 months ago | Updated: 1 week ago
Job Solution Bangladesh House Building Finance Corporation (BHBFC) Bangladesh House Building Finance Corporation - Officer - 31.12.2010 গণিত
320
Add Description

Related Questions

Mr. X bought a dozen of apples for Tk. 18. He sells two apples at the purchase price of 3 apples. What is the selling price of a dozen apples?

Created: 2 months ago | Updated: 1 week ago
Job Solution Bangladesh House Building Finance Corporation (BHBFC) Bangladesh House Building Finance Corporation - Officer - 05.08.2011 গণিত
475
Add Description

The price of corn rose by 20% two years ago and 15% last year. What is the combined percent increase in price?

Created: 2 months ago | Updated: 1 week ago
Job Solution Bangladesh House Building Finance Corporation (BHBFC) Bangladesh House Building Finance Corporation - Officer - 05.08.2011 গণিত
460
Add Description

At a selling price of Taka 275 a book yields 25% profit. What selling price will yield the profit of 10%?

Created: 2 months ago | Updated: 1 week ago
Job Solution Bangladesh House Building Finance Corporation (BHBFC) Bangladesh House Building Finance Corporation - Senior Officer - 29.07.2011 গণিত
431
Add Description

If the interest on Taka 500 for 4 years and Taka 600 for 5 years is Taka 500; what will be the rate of interest?

Created: 2 months ago | Updated: 1 week ago
Job Solution Bangladesh House Building Finance Corporation (BHBFC) Bangladesh House Building Finance Corporation - Senior Officer - 29.07.2011 গণিত
969
Add Description

যদি একটি আয়তাকার বাগানের দৈর্ঘ্য এবং প্রস্থ উভয়ই ১০% হারে বাড়ানো হয় , তবে বাগানটির ক্ষেত্রফল কত হারে বাড়বে?

Created: 2 months ago | Updated: 1 week ago
Job Solution Bangladesh House Building Finance Corporation (BHBFC) Bangladesh House Building Finance Corporation - Officer - 31.12.2010 গণিত
381
Add Description